Editor's note: This story is part of the WardsAuto digital archive, which may include content that was first published in print, or in different web layouts.
American Metal Market says BMW AG is ahead of Ford Motor Co. in developing powder metal-type metal matrix composite cylinder sleeves for aluminum engine blocks. The sleeves are lighter than conventional cast-iron liners. If development work is successful, they will be used in an upcoming BMW aluminum V-6 engine.